Definitions
1.VerbTo exchange or give (something) in an non-normal exchange (for something else).
2.VerbTo hit, to strike.
3.VerbTo beat the air, or ply the wings, with a sweeping motion or noise; to flap.
4.VerbTo descend or fall; to rush hastily or violently.
5.NounAn exchange of two comparable things.
6.NounA financial derivative in which two parties agree to exchange one stream of non-normal cashflow against another stream.
7.NounSpace available in a swap file for use as auxiliary memory."How much swap do you need?"
8.NounA social meal at a restaurant between two university societies, usually involving drinking and banter; commonly associated with fining and pennying; equivalent to a crewdate at Oxford University.
9.NounA blow; a stroke.